/* @(#)GcgPerspectiveFlipper.java
** 
** Copyright (C) 2012 by Steven D. Stamps
**
**             Trademarks & Copyrights
** Flywheel Management Science(TM), Flywheel Management Model(TM),
** Flywheel Story Editor(TM) and FlywheelMS(TM) are exclusive trademarks
** of Steven D. Stamps and may only be used freely for the purpose of
** identifying the unforked version of this software.  Subsequent forks
** may not use these trademarks.  All other rights are reserved.
**
** DecKanGL (Decorated Kanban Glyph Language) and TribKn (Tribal Knowledge)
** are also exclusive trademarks of Steven D. Stamps.  These may be used
** freely within the unforked FlywheelMS application and documentation.
** All other rights are reserved.
**
** gConGUI (game Controller Graphical User Interface) is an exclusive
** trademark of Steven D. Stamps.  This trademark may be used freely
** within the unforked FlywheelMS application and documentation.
** All other rights are reserved.
**
** Trademark information is available at
** <http://www.flywheelms.com/trademarks>
**
** Flywheel Management Science(TM) is a copyrighted body of management
** metaphors, governance processes, and leadership techniques that is
** owned by Steven D. Stamps.  These copyrighted materials may be freely
** used, without alteration, by the community (users and developers)
** surrounding this GPL3-licensed software.  Additional copyright
** information is available at <http://www.flywheelms.org/copyrights>
**
**              GPL3 Software License
** This program is free software: you can use it, redistribute it and/or
** modify it under the terms of the GNU General Public License, version 3,
** as published by the Free Software Foundation. This program is distributed
** in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
** even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
** PURPOSE.  See the GNU General Public License for more details. You should
** have received a copy of the GNU General Public License, in a file named
** COPYING, along with this program.  If you cannot find your copy, see
** <http://www.gnu.org/licenses/gpl-3.0.html>.
*/

package com.flywheelms.library.gcg.viewflipper;

import android.content.Context;
import android.util.AttributeSet;

import com.flywheelms.library.gcg.GcgActivity;
import com.flywheelms.library.gcg.interfaces.GcgFrame;
import com.flywheelms.library.gcg.interfaces.GcgPerspective;
import com.flywheelms.library.gcg.menu.GcgFrameSpinner;

public abstract class GcgPerspectiveFlipper extends GcgViewFlipper {
	
	protected GcgFrame gcgFrame;
	protected GcgFrameSpinner frameSpinner;
	protected boolean staleData;

	public GcgPerspectiveFlipper(Context aContext, AttributeSet anAttributeSet) {
		super(aContext, anAttributeSet);
	}
	
	public void initialize(GcgActivity aLibraryActivity, GcgViewFlipperListener aViewFlipListener, GcgFrame aGcgFrame, GcgFrameSpinner aFrameSpinner) {
		super.initialize(aLibraryActivity, aViewFlipListener);
		this.gcgFrame = aGcgFrame;
		this.frameSpinner = aFrameSpinner;
	}
	
	public void initialize(GcgActivity aLibraryActivity, GcgViewFlipperListener aViewFlipListener, int aSpinnnableMenuIndex) {
		initialize(aLibraryActivity, aViewFlipListener);
		this.spinnnableMenuIndex = aSpinnnableMenuIndex;
		initializeViewFlipperViews();
	}
	
	public GcgFrame getGcgFrame() {
		return this.gcgFrame;
	}
	
	public GcgPerspective getGcgPerspective() {
		return this.gcgFrame.getPerspectiveAt(getViewFlipperViewIndex());
	}

	@Override
	protected void afterViewFlip() {
		super.afterViewFlip();
		if(this.frameSpinner != null) {
			this.frameSpinner.setFrameMenuSpacer(
					this.gcgFrame,
					getGcgViewFlipperView().getFrameMenuSpacerBackgroundResourceId(),
					getGcgViewFlipperView().menuSpacerDrawable);
		}
	}

	@Override
	protected void beforeViewFlip() {
		super.beforeViewFlip();
		if(this.frameSpinner != null) {
			this.frameSpinner.setFrameMenuSpacer(
					this.gcgFrame,
					getFrameMenuSpacerCurtainBackgroundResourceId(),
					null );
		}
	}

	public abstract void discardDataChanges();

	public boolean isStaleData() {
		return this.staleData;
	}

	public void setStaleData(boolean bStaleData) {
		this.staleData = bStaleData;
	}
	
	public abstract void viewData();

}
